How much is the commission for Rocketpool?

Could you kindly elaborate on the matter of Rocketpool's commission structure? I'm particularly interested in understanding how much the commission fee is and what factors might influence its amount. Is there a fixed rate or does it vary based on certain conditions? Additionally, could you explain the benefits of Rocketpool's commission model, and how it compares to other similar platforms in the cryptocurrency space? I'm seeking a clear and concise overview to aid in my decision-making process. Thank you for your assistance.